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Super precision angular contact ball bearing, 100 x 150 x 24 mm, 15 degree contact angle, light preload, open, machined phenolic cage, P4 class.
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| MFR / Brand | SKF |
|---|---|
| MPN | 7020CGAP4 |
| Model | 7020 C GA P4 / 2MM9120WI CR SUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 100 mm |
| OD | 150 mm |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Condition | New |
| Lubricant | Oil/Grease |
| Preload | Light |
| Base Number | 7020 |
| Industry Terms | spindle bearing; super precision bearing; machine tool bearing; precision angular contact |
| Common Misspellings | 7020CGA P4; 7020 CAG/P4; SKF 7020CGAP4 |
| Overall Width | 24 mm |
| Bore Shaft Size | 100 mm |
| Mpn Variants | 7020CGA/P4; 7020 CGA P4; 7020CGAP4; 7020-C-GA-P4; 7020 C GA P4; 7020C |
| Precision Class | P4 |
| Min Temp | -30°C |
| Cage Type | Machined |
| Dynamic Load Rating | 83.2 kN |
| Static Load Rating | 85.0 kN |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Max Temp | 120°C |
| Item Weight | 2.78 lbs |
| Cage Material | Fabric-reinforced phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | N/A - preloaded |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Not specified |
| Design Units | Metric |
| Bearing Material | Chrome steel |
| Part Number | 7020 CGA/P4 |
| Cross Reference 1 | FAG B7020-C-T-P4S-UL |
|---|---|
| Cross Reference 2 | NSK 7020CTYNSULP4 |
| Cross Reference 3 | Fafnir 2MM9120WI CR SUL |
| Cross Reference 4 | 7020 ACD/P4A (related size, 25 degree contact angle) |
SKF 7020 CGA/P4 super-precision angular contact ball bearing. Series: 70, extra-light section. Base number: 7020. Bore: 100 mm. Outside diameter: 150 mm. Width: 24 mm. Single row, straight bore, open on both faces. Searchable variants of the designation: 7020CGA/P4, 7020 CGA P4, 7020CGAP4, 7020-C-GA-P4, 7020C.
Contact Angle: 15°. Precision Class: P4, equivalent to ABEC 7. Preload: light. Cage: machined, fabric-reinforced phenolic, rated to 120 °C.
A 15° contact angle favours speed and radial rigidity over thrust capacity, which is why this execution is standard in machine tool spindles and precision grinders. Light preload holds running accuracy with lower heat generation than a medium or heavy setting. Basic dynamic load rating: 83.2 kN. Basic static load rating: 85.0 kN. Limiting speed: 10000 rpm.
One bearing, single universally ground. Unit Quantity: 1 Pc. Internal Clearance: N/A — the bearing is preload-set, not clearance-set.
Mounting is by interference on the inner ring seat with the outer ring located axially in the housing. Oil or grease lubrication both suit the phenolic cage. Operating range: -30 °C to 120 °C. Item weight 2.78 lbs.
Same-spec equivalents: FAG B7020-C-T-P4S-UL, NSK 7020CTYNSULP4, Fafnir 2MM9120WI CR SUL. Related size: 7020 ACD/P4A carries a 25° contact angle and a different thrust capacity.
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